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echo receiver

См. также в других словарях:

  • echo box — An apparatus designed to test and calibrate a radar set. The transmitted pulse is fed into the echo box instead of the radar antenna. The echo box then produces a delayed return pulse, the intensity of which gradually falls at a certain rate.… …   Aviation dictionary

  • AV receiver — AV receivers or audio video receivers are one of the many consumer electronics components typically found within a home theatre system. Their primary purpose is to amplify sound from a multitude of possible audio sources as well as route video… …   Wikipedia

  • Rake receiver — A rake receiver is a radio receiver designed to counter the effects of multipath fading. It does this by using several sub receivers called fingers , that is, several correlators each assigned to a different multipath component. Each finger… …   Wikipedia

  • spin echo — n a signal that is detected in a nuclear magnetic resonance spectrometer, that is an echo like replication of a free induction decay produced by a planned series of radio frequency pulses, and that can be used to extract more information from a… …   Medical dictionary

  • radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

  • Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …   Wikipedia

  • Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The …   Wikipedia

  • Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   Wikipedia

  • Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… …   Wikipedia

  • F-4 Phantom II non-U.S. operators — are the non U.S. nations with air forces that operate and use the McDonnell Douglas F 4 Phantom II. The Phantom II entered service with the U.S. military in 1960 and served until 1996. During this time it was the primary interceptor, air… …   Wikipedia

  • Animal echolocation — Echolocation, also called biosonar, is the biological sonar used by several animals such as dolphins, shrews, most bats, and most whales. The term was coined by Donald Griffin, who was the first to conclusively demonstrate its existence in bats.… …   Wikipedia

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